CVE-2021-31611
Zhuhai Jieli Bluetooth Classic LMP Packet Deadlock Vulnerability
Description
The Bluetooth Classic implementation on Zhuhai Jieli AC690X and AC692X devices does not properly handle an out-of-order LMP Setup procedure that is followed by a malformed LMP packet, allowing attackers in radio range to deadlock a device via a crafted LMP packet. The user needs to manually reboot the device to restore communication.
INFO
Published Date :
Sept. 7, 2021, 7:15 a.m.
Last Modified :
May 3, 2022, 4:04 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
2.1
Public PoC/Exploit Available at Github
CVE-2021-31611 has a 3 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-31611
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-31611.
| URL | Resource |
|---|---|
| http://www.zh-jieli.com/product/68-cn.html | Vendor Advisory |
| https://dl.packetstormsecurity.net/papers/general/braktooth.pdf | Broken Link |
| https://launchstudio.bluetooth.com/ListingDetails/19746 | Third Party Advisory |
| https://launchstudio.bluetooth.com/ListingDetails/58628 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
A Series of Baseband & LMP Exploits against Bluetooth Classic Controllers
List of Bluetooth BR/EDR/LE security resources
bluetooth bluetooth-low-energy bluetooth-security pentesting penetration-testing security awesome awesome-list ble bluetooth-hacking
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-31611 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-31611 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
May. 03, 2022
Action Type Old Value New Value Changed CWE NVD-CWE-noinfo CWE-667 -
Initial Analysis by [email protected]
Sep. 13, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type http://www.zh-jieli.com/product/68-cn.html No Types Assigned http://www.zh-jieli.com/product/68-cn.html Vendor Advisory Changed Reference Type https://dl.packetstormsecurity.net/papers/general/braktooth.pdf No Types Assigned https://dl.packetstormsecurity.net/papers/general/braktooth.pdf Broken Link Changed Reference Type https://launchstudio.bluetooth.com/ListingDetails/19746 No Types Assigned https://launchstudio.bluetooth.com/ListingDetails/19746 Third Party Advisory Changed Reference Type https://launchstudio.bluetooth.com/ListingDetails/58628 No Types Assigned https://launchstudio.bluetooth.com/ListingDetails/58628 Third Party Advisory Added CWE NIST NVD-CWE-noinfo Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6901_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6901:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6925_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6925:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6926_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6926:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6928_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6928:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zh-jieli:ac6921_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:zh-jieli:ac6921:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-31611 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-31611
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.00%
score
0.32358
percentile